Merge pull request #1 from miuraK/dev_env

Dev env
Merge pull request #2 from miuraK/dev_env

Dev env
Merge pull request #3 from miuraK/dev_env

Dev env
Merge pull request #4 from miuraK/dev_env

tabで補完するように設定
Merge pull request #18 from miuraK/master

forkしている側が進んだので
M-] -> forward, M-[ -> backward
git branch -v
Merge remote-tracking branch 'origin/dev_env' into dev_env